What J2EE standards are supported for building portlets?
OracleAS provides the most complete J2EE implementation in the application server market. Any J2EE feature can be used to construct portlets, including JSP, Servlets, EJB, J2CA, and others. The OracleAS Portal Developer Kit (PDK) is compatible with Oracle Application Server Containers for J2EE (OC4J) and uses the latest Servlet specifications. In addition to Oracle’s own JDBC drivers, OracleAS also certifies the DataDirect JDBC drivers for connectivity to 3rd party databases, including DB2, Sybase, Informix, SQL Server, and others.